# Jan Roubík
**Wikidata**: [Q95487612](https://www.wikidata.org/wiki/Q95487612)  
**Source**: https://4ort.xyz/entity/jan-roub-k


## References

1. Czech National Authority Database
2. Database of the Military Historical Archive
3. Students of the Universities of Prague 1882–1945
4. [Database of the Military Historical Archive](http://www.vuapraha.cz/soldier/20512095)
5. [regional database of the Pilsen City Library](https://tritius.plzen.eu/authority/38209)
6. [regional database of the Pilsen City Library](https://tritius.plzen.eu/authority/199963)
7. Virtual International Authority File
8. Database of members of the Czechoslovak Republic of military units abroad for the World War II